I\'m running a parallel operation using a SOCK cluster with workers on the local machine. If I limit the set I\'m iterating over (in one test using 70 instead of a full 135
I have reported this issue to the author of SNOW but unfortunately there has been no reply.
Edit
I haven't seen this issue in a while. I moved to Parallel/doParallel. Also, I'm now using try() to wrap any code that gets executed in parallel. I can't repro the original issue.